Perio
d
ic maintenance an
d
a
d
justment
7-10
7
6. Insert the mesh and the sponge
material into the air filter case.
NOTICE:
Make sure that the
mesh an
d
the spon
g
e material
are properly seate
d
in the air fil-
ter case. The en
g
ine shoul
d
never
b
e operate
d
without the
mesh an
d
the spon
g
e material
installe
d
, otherwise the pis-
ton(s) an
d
/or cylin
d
er(s) may
b
e-
come excessively worn.
[ECA15573]
7. Install the air filter case cover by
installing the screws.
To clean the air filter check hose
1. Check the hose at the bottom of
the air filter case for accumulated
dirt or water.
2. If dirt or water is visible, remove
the hose, clean it, and then install
it.
EAU40422
Cleanin
g
the spark arrester
The spark arrester should be cleaned
at the intervals specified in the periodic
maintenance and lubrication chart.
WARNING
EWA10981
Always let the exhaust system
cool prior to touchin
g
exhaust
components.
Do not start the en
g
ine when
cleanin
g
the exhaust system.
TIP
Make sure to select a well-ventilated
area free of combustible materials to
clean the spark arrester.
1. Remove the tailpipe by removing
the bolts, and then pulling it out of
the muffler.
2. Tap the tailpipe lightly, and then
use a wire brush to remove any
carbon deposits from the spark
arrester portion of the tailpipe and
inside of the tailpipe housing.
Recommen
d
e
d
oil:
Yamaha foam air filter oil or other
quality foam air filter oil
1. Air filter check hose
1. Tailpipe bolt
2. Tailpipe
UBEG80E0.book Page 10 Friday, May 24, 2019 6:49 PM